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Finding the Fourth Proportional to 34,434.54, 51,541.07 and 17,771.87

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Solution

The fourth proportional to 34,434.54, 51,541.07 and 17,771.87 is: 26,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,434.54 : 51,541.07 = 17,771.87 : x
  2. Step 2: Convert to fraction form
    34,434.54/51,541.07 = 17,771.87/x
  3. Step 3: Cross multiply
    34,434.54x = 51,541.07 × 17,771.87
  4. Step 4: Simplify right side
    34,434.54x = 915,981,195.70
  5. Step 5: Solve for x
    x = 915,981,195.70/34,434.54
  6. Step 6: Final answer
    x = 26,600.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.